Power Spectra in Double-Field Inflation Using Renormalization-Group Techniques

Fuente: arXiv

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	Grzadkowski, Bohdan, Piva, Marco
Format:	Preprint
Veröffentlicht:	2025
Schlagworte:	High Energy Physics - Theory Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology
Online-Zugang:	Acceder al recurso
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Ähnliche Einträge

Classification of $f(R)$ Theories Of Inflation And The Uniqueness of Starobinsky Model
von: Piva, Marco
Veröffentlicht: (2025)

Renormalized one-Loop Corrections in Power Spectrum in USR Inflation
von: Sheikhahmadi, Haidar, et al.
Veröffentlicht: (2024)

One-Loop Tensor Power Spectrum from a Non-Minimally Coupled Spectator Field during Inflation
von: Li, Zhe, et al.
Veröffentlicht: (2026)

A Power-law Inflation Tail for the Standard $R^2$-Inflation and the Trans-Planckian Censorship Conjecture
von: Odintsov, S. D., et al.
Veröffentlicht: (2025)

Inflation Alternative via the Gravitational Field of a Singularity
von: Zlotnikov, Michael
Veröffentlicht: (2022)

Non-canonical Conformal Attractors for Single Field Inflation
von: Pinhero, Tony, et al.
Veröffentlicht: (2017)

A Remedy of the Trans-Planckian Censorship Problem with Smooth Slow-roll to Power-law Inflation Transitions in Scalar Field Theory
von: Odintsov, S. D., et al.
Veröffentlicht: (2026)

Three-Field String Inflation with Perturbative Corrections: Dynamics and Implications
von: Basiouris, Vasileios, et al.
Veröffentlicht: (2025)

String Corrected Scalar Field Inflation Compatible with the ACT Data
von: Oikonomou, V. K.
Veröffentlicht: (2025)

Loop Corrections in Gravitational Wave Spectrum in Single Field Inflation
von: Firouzjahi, Hassan
Veröffentlicht: (2023)

Power-law $F(R)$ Gravity as Deformations to Starobinsky Inflation in View of ACT
von: Odintsov, S. D., et al.
Veröffentlicht: (2025)

General Scalar Field Inflation ACT Attractors: Utilizing the $n_s(r)$ relation
von: Oikonomou, V. K.
Veröffentlicht: (2026)

Primordial Power Spectrum and Bispectrum from Lattice Simulations of Axion-U(1) Inflation
von: Jamieson, Drew, et al.
Veröffentlicht: (2025)

$\mathcal{R}^2$-corrected Tachyon Scalar Field Inflation, the ACT Data, and Phantom Transition
von: Odintsov, S. D., et al.
Veröffentlicht: (2026)

On Legacy of Starobinsky Inflation
von: Ketov, Sergei V.
Veröffentlicht: (2025)

Constant-Roll Inflation
von: Motohashi, Hayato
Veröffentlicht: (2025)

Inflation from entropy
von: Thattarampilly, Udaykrishna, et al.
Veröffentlicht: (2025)

The Open Effective Field Theory of Inflation
von: Salcedo, Santiago Agui, et al.
Veröffentlicht: (2024)

Recent Developments in Stochastic Inflation
von: Woodard, R. P.
Veröffentlicht: (2025)

Stochastic Inflation in Numerical Relativity
von: Launay, Yoann L., et al.
Veröffentlicht: (2025)

Stochastic Inflation with Interacting Noises
von: Nassiri-Rad, Amin, et al.
Veröffentlicht: (2025)

On the Consistency of Rapid-Turn Inflation
von: Anguelova, Lilia
Veröffentlicht: (2024)

Loop Blow-up Inflation
von: Bansal, Sukŗti, et al.
Veröffentlicht: (2024)

Mimetic Inflation and Self-reproduction
von: Chamseddine, Ali H., et al.
Veröffentlicht: (2023)

Stochastic Inflation in General Relativity
von: Launay, Yoann L., et al.
Veröffentlicht: (2024)

Strong Gravity Effects on $\mathcal{R}^2$-corrected Single Scalar Field Inflation and Compatibility with the ACT Data
von: Oikonomou, V. K.
Veröffentlicht: (2025)

Starobinsky Inflation in the Swampland
von: Lust, Dieter, et al.
Veröffentlicht: (2023)

Fixing the Renormalization of Inflationary Loops via Ward Identities
von: Fang, Cheng-Jun, et al.
Veröffentlicht: (2026)

Nonminimal Couplings and the Forgotten Field of Axion Inflation
von: McDonough, Evan, et al.
Veröffentlicht: (2020)

Solving the Trans-Planckian Censorship Problem with a Power-law Tail in $R^2$ Inflation: A Dynamical System Approach
von: Odintsov, S. D., et al.
Veröffentlicht: (2025)

Observational Viability of Anisotropic Inflation Revisited
von: Roushan, Maryam, et al.
Veröffentlicht: (2025)

Geodesically Complete Curvature-Bounce Inflation
von: Easson, Damien A.
Veröffentlicht: (2026)

Starobinsky Inflation from String Theory?
von: Brinkmann, Max, et al.
Veröffentlicht: (2023)

Loop Blow-up Inflation: An Overview
von: Bansal, Sukŗti
Veröffentlicht: (2026)

Mimetic Dark Matter from Inflation
von: Chamseddine, Ali H., et al.
Veröffentlicht: (2026)

Analytic Singular Slow-roll Inflation
von: Oikonomou, V. K.
Veröffentlicht: (2026)

Towards Stochastic Inflation in Higher-Curvature Gravity
von: Aldabergenov, Yermek, et al.
Veröffentlicht: (2025)

Rescaled Einstein-Gauss-Bonnet Gravity Inflation
von: Oikonomou, V. K., et al.
Veröffentlicht: (2025)

Confronting Inflation and Reheating with Observations: Improved Predictions
von: Ye, Ying-Ying, et al.
Veröffentlicht: (2025)

Gravitons and Temperature Fluctuation Correlations from Inflation
von: Ford, L. H., et al.
Veröffentlicht: (2025)

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

Environment & details:

GET Data empty

POST Data empty

Files empty

Key	Value
ui	"standard"
VUFIND_SESSION	"483cdd3c7beb746b0e55297779baedcc"
language	"de"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1790979608.0169 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "483cdd3c7beb746b0e55297779baedcc" ]`]
SessionState	Laminas\Stdlib\ArrayObject {#938}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1433}
SessionHelper	Laminas\Stdlib\ArrayObject {#1759}

Server/Request Data

Key	Value
REDIRECT_VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
REDIRECT_HTTPS	"on"
REDIRECT_SSL_TLS_SNI	"info.umar.mx"
REDIRECT_STATUS	"200"
VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
HTTPS	"on"
SSL_TLS_SNI	"info.umar.mx"
HTTP_ACCEPT	"/"
HTTP_USER_AGENT	"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
HTTP_COOKIE	"ui=standard; VUFIND_SESSION=483cdd3c7beb746b0e55297779baedcc; language=de"
HTTP_ACCEPT_ENCODING	"gzip, br, zstd, deflate"
HTTP_HOST	"info.umar.mx"
PATH	"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/snap/bin"
SERVER_SIGNATURE	"<address>Apache/2.4.66 (Ubuntu) Server at info.umar.mx Port 443</address>\n"
SERVER_SOFTWARE	"Apache/2.4.66 (Ubuntu)"
SERVER_NAME	"info.umar.mx"
SERVER_ADDR	"200.23.222.19"
SERVER_PORT	"443"
REMOTE_ADDR	"216.73.217.142"
DOCUMENT_ROOT	"/usr/local/vufind/public"
REQUEST_SCHEME	"https"
CONTEXT_PREFIX	""
CONTEXT_DOCUMENT_ROOT	"/usr/local/vufind/public"
SERVER_ADMIN	"admin@localhost"
SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"14391"
REDIRECT_URL	""" /Record/\n arxiv_https___arxiv_org_abs_2504_01139/Similar """
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/%0Aarxiv_https___arxiv_org_abs_2504_01139/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1790979608.0094
REQUEST_TIME	1790979608

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler